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5287847 = 8363709
BaseRepresentation
bin10100001010111110100111
3100221122120012
4110022332213
52323202342
6305200435
762642315
oct24127647
910848505
105287847
112a91924
12193011b
131131b06
149b90b5
156e6b82
hex50afa7

5287847 has 4 divisors (see below), whose sum is σ = 5351640. Its totient is φ = 5224056.

The previous prime is 5287837. The next prime is 5287859. The reversal of 5287847 is 7487825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5287847 - 26 = 5287783 is a prime.

It is a super-2 number, since 2×52878472 = 55922651790818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31772 + ... + 31937.

It is an arithmetic number, because the mean of its divisors is an integer number (1337910).

Almost surely, 25287847 is an apocalyptic number.

5287847 is a deficient number, since it is larger than the sum of its proper divisors (63793).

5287847 is an equidigital number, since it uses as much as digits as its factorization.

5287847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63792.

The product of its digits is 125440, while the sum is 41.

The square root of 5287847 is about 2299.5319088893. The cubic root of 5287847 is about 174.2179745004.

It can be divided in two parts, 52878 and 47, that added together give a palindrome (52925).

The spelling of 5287847 in words is "five million, two hundred eighty-seven thousand, eight hundred forty-seven".

Divisors: 1 83 63709 5287847